description: The prefix portion (e.g. voorvoegsel) of the family name that is derived from the person's partner's surname, as distinguished from any portion that is derived from the surname of the person's own. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: PartnerPrefix type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/humanname-partner-prefix'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/humanname-partner-prefix base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [valueString, value]